noExecute-06.js - mozsearch

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// Tests that NX disallows debuggee execution for multiple debuggers and

// multiple debuggees.

load(libdir + "asserts.js");

load(libdir + "debuggerNXHelper.js");

var g1 = newGlobal({newCompartment: true});

var g2 = newGlobal({newCompartment: true});

var dbg1 = new Debugger;

var dbg2 = new Debugger;

g1w1 = dbg1.addDebuggee(g1);

g1w2 = dbg2.addDebuggee(g1);

g2w = dbg2.addDebuggee(g2);

g1.eval(`

        function d(f) { debugger; return f; }

        function f() { return 42; }

        var o = {

          get p() { return 42; },

          set p(x) { }

};

`);

g2.eval(`

        function d(f) { debugger; return f; }

        function f() { return 42; }

        var o = {

          get p() { return 42; },

          set p(x) { }

};

`);

var strs = ["f();", "o.p", "o.p = 42"];

var fw1;

dbg1.onDebuggerStatement = (frame) => {

  fw1 = frame.arguments[0];

g1.eval('d(f)');

dbg1.onDebuggerStatement = undefined;

var fw2;

dbg2.onDebuggerStatement = (frame) => {

  fw2 = frame.arguments[0];

g2.eval('d(f)');

dbg2.onDebuggerStatement = undefined;

function testHook(hookName) {

  var newestG1Frame = dbg1.getNewestFrame();

  if (hookName != 'onNewGlobalObject' &&

      hookName != 'onNewScript' &&

      hookName != 'onNewPromise' &&

      hookName != 'onPromiseSettled')

    var newestG2Frame = dbg2.getNewestFrame();

  for (var s of strs) {

    // When this hook is called, g1 has been locked twice, so even invocation

    // functions do not work.

    assertEq(g1w1.executeInGlobal(s).throw.unsafeDereference() instanceof Debugger.DebuggeeWouldRun, true);

    assertEq(g1w2.executeInGlobal(s).throw.unsafeDereference() instanceof Debugger.DebuggeeWouldRun, true);

    if (newestG1Frame) {

      assertEq(newestG1Frame.eval(s).throw.unsafeDereference() instanceof Debugger.DebuggeeWouldRun, true);

    assertEq(fw1.apply(null).throw.unsafeDereference() instanceof Debugger.DebuggeeWouldRun, true);

    // But g2 has only been locked once and so should work.

    assertEq(g2w.executeInGlobal(s).throw, undefined);

    if (newestG2Frame) {

      assertEq(newestG2Frame.eval(s).throw, undefined);

    assertEq(fw2.apply(null).return, 42);

testDebuggerHooksNX(dbg1, g1, () => {

  testDebuggerHooksNX(dbg2, g2, testHook);

});